1. Look at the spectrum shown and answer the following questions: 1.4 1.2 - 0.4 0.2 24n 280 320 Wavelength (nm) 200 220 260 300 340 360 380 Is the spectrum shown a band spectrum or line spectrum? а. b. If the concentration of the solution was 36 ppm, what is the absorptivity of the substance at 240 nm? Assume a path length of 1.0 cm. Absorbance

Chemistry
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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1. **Look at the spectrum shown and answer the following questions:**

   ![Spectrum Graph](source-image)

   The graph depicts "Absorbance" on the y-axis versus "Wavelength (nm)" on the x-axis. The spectrum features a major peak around 220 nm and a smaller peak around 280 nm. Beyond 300 nm, the absorbance decreases, showing minimal activity.

   a. **Is the spectrum shown a band spectrum or line spectrum?**

   b. **If the concentration of the solution was 36 ppm, what is the absorptivity of the substance at 240 nm? Assume a path length of 1.0 cm.**
Transcribed Image Text:1. **Look at the spectrum shown and answer the following questions:** ![Spectrum Graph](source-image) The graph depicts "Absorbance" on the y-axis versus "Wavelength (nm)" on the x-axis. The spectrum features a major peak around 220 nm and a smaller peak around 280 nm. Beyond 300 nm, the absorbance decreases, showing minimal activity. a. **Is the spectrum shown a band spectrum or line spectrum?** b. **If the concentration of the solution was 36 ppm, what is the absorptivity of the substance at 240 nm? Assume a path length of 1.0 cm.**
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electronic transition from lower energy level to higher energy level leads to formation of energy gap and these energy gap can appear as line or as band 

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